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Xanthine Oxidoreductase Inhibitors.

Keeran Vickneson1, Jacob George2

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|August 14, 2020
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Summary
This summary is machine-generated.

Xanthine oxidase inhibitors, like Allopurinol, treat gout by reducing uric acid. They also offer cardiovascular benefits by decreasing vascular reactive oxygen species.

Keywords:
AntioxidantsEndothelial dysfunctionOxidative stressUric acidXanthine oxidoreductase

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Area of Science:

  • Biochemistry
  • Pharmacology
  • Cardiovascular Medicine

Background:

  • Xanthine oxidase inhibitors are key in managing hyperuricemia and gout.
  • Allopurinol, a primary inhibitor, demonstrates additional benefits beyond uric acid reduction.
  • These benefits include mitigating vascular reactive oxygen species and mechano-energetic uncoupling.

Purpose of the Study:

  • To explore the pathophysiological relevance of Allopurinol's effects.
  • To discuss newer xanthine oxidase inhibitors like Febuxostat and Topiroxostat.
  • To review the dual role of xanthine oxidoreductase in uric acid synthesis and reactive oxygen species generation.

Main Methods:

  • Literature review focusing on Allopurinol and other xanthine oxidase inhibitors.
  • Discussion of xanthine oxidoreductase (XOR) structure and function.
  • Analysis of XOR's role in pathophysiology, including reactive oxygen species (ROS) production.

Main Results:

  • Allopurinol reduces vascular reactive oxygen species and improves mechano-energetic uncoupling.
  • Xanthine oxidase (XO) and xanthine dehydrogenase (XDH) are isoforms of XOR.
  • Both XO and XDH can generate reactive oxygen species under certain conditions.

Conclusions:

  • Xanthine oxidase inhibitors have therapeutic potential beyond gout treatment.
  • Understanding XOR's dual function is crucial for developing new therapeutic strategies.
  • Further research into newer inhibitors like Febuxostat and Topiroxostat is warranted.